/* -------------------------------------------------------------------------
 *
 * joininfo.h
 *	  prototypes for joininfo.c.
 *
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/optimizer/joininfo.h
 *
 * -------------------------------------------------------------------------
 */
#ifndef JOININFO_H
#define JOININFO_H

#include "nodes/relation.h"

extern bool have_relevant_joinclause(PlannerInfo* root, RelOptInfo* rel1, RelOptInfo* rel2);

extern void add_join_clause_to_rels(PlannerInfo* root, RestrictInfo* restrictinfo, Relids join_relids);
extern void remove_join_clause_from_rels(PlannerInfo* root, RestrictInfo* restrictinfo, Relids join_relids);

#endif /* JOININFO_H */
